1122044 has 24 divisors (see below), whose sum is σ = 2448768. Its totient is φ = 437040.

The previous prime is 1122041. The next prime is 1122053. The reversal of 1122044 is 4402211.

1122044 = 371² + 372² + ... + 378².

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514 + ... + 2129.

It is an arithmetic number, because the mean of its divisors is an integer number (102032).

2^1122044 is an apocalyptic number.

1122044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1122044 is an abundant number, since it is smaller than the sum of its proper divisors (1326724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122044 is a wasteful number, since it uses less digits than its factorization.

1122044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665 (or 3663 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1122044 is about 1059.2657834557. The cubic root of 1122044 is about 103.9130189892.

Adding to 1122044 its reverse (4402211), we get a palindrome (5524255).

The spelling of 1122044 in words is "one million, one hundred twenty-two thousand, forty-four".